100PCS Copper 4mm L Banana Audio Plug Jack Socket Connectors with Spring Inside

Pack of 100 copper 4mm L Banana audio plug/jack socket connectors engineered for secure audio connections. Each unit is constructed from copper, sized at 4mm and formed in an L shape to accommodate angled installations. An internal spring provides a firm, stable contact when inserted, helping maintain consistent electrical connection. Ideal for audio wiring, test leads and DIY speaker or amplifier setups that require reliable Banana-style connectors.